The most common and most likely answer to this crossword clue is the 9 letter word RE-ECHOED
I've seen this crossword clue in Financial Times
R
E
-
E
C
H
O
E
D
Buddy explains!

The straight part
We know that "bounced back again" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bounced back again = re-echoed.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does RE-ECHOED mean?
RE-ECHOED verb- To echo again; to reverberate